[1] Clin Res Inst Inc, Minneapolis, MN USA
[2] New England Inst Neurol & Headache, Stamford, CT USA
[3] Albert Einstein Coll Med, Bronx, NY USA
[4] StudyMetrix Res, St Petersburg, FL USA
[5] Pfizer Inc, New York, NY USA
[6] Biohaven Pharmaceut, New Haven, CT USA